Re: [PATCH v2 1/2] pinctrl: nuvoton: npcm7xx: Use %zd printk format for ARRAY_SIZE()

From: Andy Shevchenko
Date: Thu Feb 03 2022 - 09:18:35 EST


On Thu, Feb 3, 2022 at 3:37 PM Jonathan Neuschäfer
<j.neuschaefer@xxxxxxx> wrote:
>
> When compile-testing on 64-bit architectures, GCC complains about the
> mismatch of types between the %d format specifier and value returned by
> ARRAY_LENGTH(). Use %zd, which is correct everywhere.
>
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Fixes: 3b588e43ee5c7 ("pinctrl: nuvoton: add NPCM7xx pinctrl and GPIO driver")
> Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@xxxxxxx>
> Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>

...

> - dev_dbg(npcm->dev, "group size: %d\n", ARRAY_SIZE(npcm7xx_groups));
> + dev_dbg(npcm->dev, "group size: %zd\n", ARRAY_SIZE(npcm7xx_groups));

Dunno how it's slipped away, but the proper specifier is %zu. I guess
that's what I also mentioned in reply to LKP's report.

--
With Best Regards,
Andy Shevchenko